diff options
Diffstat (limited to 'dev-util/re2c/files/re2c-1.3-lexer-overflow.patch')
| -rw-r--r-- | dev-util/re2c/files/re2c-1.3-lexer-overflow.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/dev-util/re2c/files/re2c-1.3-lexer-overflow.patch b/dev-util/re2c/files/re2c-1.3-lexer-overflow.patch deleted file mode 100644 index 4222ef430c32..000000000000 --- a/dev-util/re2c/files/re2c-1.3-lexer-overflow.patch +++ /dev/null @@ -1,40 +0,0 @@ -https://bugs.gentoo.org/718350 - -From c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776a Mon Sep 17 00:00:00 2001 -From: Ulya Trofimovich <skvadrik@gmail.com> -Date: Fri, 17 Apr 2020 22:47:14 +0100 -Subject: [PATCH] Fix crash in lexer refill (reported by Agostino Sarubbo). - -The crash happened in a rare case of a very long lexeme that doen't fit -into the buffer, forcing buffer reallocation. - -The crash was caused by an incorrect calculation of the shift offset -(it was smaller than necessary). As a consequence, the data from buffer -start and up to the beginning of the current lexeme was not discarded -(as it should have been), resulting in less free space for new data than -expected. ---- - src/parse/scanner.cc | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - ---- a/src/parse/scanner.cc -+++ b/src/parse/scanner.cc -@@ -155,13 +155,14 @@ bool Scanner::fill(size_t need) - if (!buf) fatal("out of memory"); - - memmove(buf, tok, copy); -- shift_ptrs_and_fpos(buf - bot); -+ shift_ptrs_and_fpos(buf - tok); - delete [] bot; - bot = buf; - - free = BSIZE - copy; - } - -+ DASSERT(lim + free <= bot + BSIZE); - if (!read(free)) { - eof = lim; - memset(lim, 0, YYMAXFILL); --- -2.26.1 - |